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(2021 FH)
Classification: Apollo [NEO]          SPK-ID: 54132049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6030807170399245 0.00032421  
a 2.30341243475428 0.0017952 au
q .9142688119639907 3.4257e-05 au
i 3.500411566887893 0.0013526 deg
node 3.017248308182373 2.3374e-05 deg
peri 219.0039643689372 0.0016334 deg
M 324.5707761513344 0.042153 deg
tp 2459326.165228400174
(2021-Apr-21.66522840)
0.0026072 TDB
period 1276.897355056409
3.50
1.4927
0.004087
d
yr
n .2819333900054138 0.00032959 deg/d
Q 3.69255605754457 0.0028778 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5 days  
   first obs. used      2021-03-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .30627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:48  

Additional Information
 Earth MOID = .000123958 au 
 Jupiter MOID = 1.31196 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.74   .29101 MPO606250 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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